发明名称 |
Phosphor, Method For Manufacturing Same, Light Emitting Device, and Image Display Device |
摘要 |
A chemically and thermally stable phosphor having unconventional light emitting properties and high light emitting intensity with an LED of 470 nm or less, includes an inorganic compound comprising: a crystal designated by A3(D,E)8X14, a crystal designated by Sr3Si8O4N10 or an inorganic crystal having the identical crystal structure of the Sr3Si8O4N10 crystal, which comprises A element, D element, X element, and optionally E element if necessary (A is one or more kinds selected from Li, Mg, Ca, Sr, and Ba; D is one or more kinds selected from Si, Ge, Sn, Ti, Zr, and Hf; X is one or more kinds selected from O, N, and F; and E is one or more kinds selected from B, Al, Ga, In, Sc, Y, and La.), into which M element is solid-solved (M is one or more kinds selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb.). |
申请公布号 |
US2015070875(A1) |
申请公布日期 |
2015.03.12 |
申请号 |
US201314368927 |
申请日期 |
2013.05.30 |
申请人 |
National Institute for Materials Science |
发明人 |
Hirosaki Naoto;Takeda Takashi;Funahashi Shiro |
分类号 |
C09K11/77;C30B29/34;H01J19/57;G02F1/1335;H01J17/49;C30B1/04;F21K99/00 |
主分类号 |
C09K11/77 |
代理机构 |
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代理人 |
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主权项 |
1. A phosphor comprising: an inorganic compound comprising:
a crystal designated by Sr3Si8O4N10 or an inorganic crystal having an identical crystal structure to a crystal structure of the crystal designated by Sr3Si8O4N10, into which M element is solid-solved (here, M is one or more kinds of elements selected from the group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb), wherein the crystal or the inorganic crystal comprises: at least A element, D element, and X element (here, A is one or more kinds of elements selected from the group consisting of Li, Mg, Ca, Sr, and Ba; D is one or more kinds of elements selected from the group consisting of Si, Ge, Sn, Ti, Zr, and Hf; and X is one or more kinds of elements selected from the group consisting of O, N, and F), and wherein the crystal or the inorganic crystal, if necessary, comprises: E element (here, E is one or more kinds of elements selected from the group consisting of B, Al, Ga, In, Sc, Y, and La). |
地址 |
Tsukaba-shi, Ibaraki JP |